Clear Blue Fluorescent Performance with Lasting StrengthMcCoy Premium Co-Polymer Fishing Line Clear Blue Fluorescent uses a proprietary nylon resin blend and the Penesil Saturation Process to improve casting smoothness and durability. It is built to provide longer smoother casts superior abrasion resistance and reduced water absorption for longer service life. Premium co-polymer line Clear blue fluorescent color Proprietary nylon resin blend Longer smoother casts Reduced water absorption for durability